Facebook Page
Twitter
RSS
+ Post New Thread
Page 2 of 12 FirstFirst 1234 ... LastLast
Threads 31 to 60 of 337

Forum: Trigonometry

Trigonometric Functions, Trigonometric Identities, etc.

  1. Sticky Thread Sticky Threads

  1. Normal Thread Normal Threads

  2. Solve the trigonometric equation sin(2theta-pi/6) = cos(2theta)

    Started by iixfaith, August 16th, 2016 14:11
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,462
    August 17th, 2016, 15:57 Go to last post
  3. [SOLVED] Find cos theta and tan theta using sin theta

    Started by mathlearn, August 13th, 2016 06:22
    cos, find, solve, tan, theta
    • Replies: 4
    • Views: 674
    August 14th, 2016, 08:16 Go to last post
  4. Trigonometric equation

    Started by NotaMathPerson, July 31st, 2016 19:42
    4+4sinx/3, correct, cosx, end, plug
    • Replies: 4
    • Views: 546
    August 2nd, 2016, 01:32 Go to last post
  5. Trig identity

    Started by NotaMathPerson, July 31st, 2016 12:12
    continue, cos2a, cos2a=sqrtm, cosa^2-sina^2, identity
    • Replies: 7
    • Views: 706
    July 31st, 2016, 20:03 Go to last post
  6. number of solution

    Started by jacks, July 28th, 2016 06:37
    $xin, left[-pi, number, piright]$, solution
    • Replies: 3
    • Views: 313
    July 28th, 2016, 10:37 Go to last post
  7. [SOLVED] Find the angle BHL using trigonometry

    Started by mathlearn, July 28th, 2016 03:22
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 1,350
    July 28th, 2016, 08:07 Go to last post
  8. Trig Identity

    Started by tmt, July 13th, 2016 03:12
    $n$, $sinleftfrac1n^2right, case, degrees, quadrant
    • Replies: 2
    • Views: 421
    July 22nd, 2016, 18:33 Go to last post
    • Replies: 2
    • Views: 551
    July 20th, 2016, 10:23 Go to last post
  9. Solving trigonometry equations

    Started by fordy2707, July 17th, 2016 09:08
    answer, clue, equation, find, reached
    • Replies: 4
    • Views: 470
    July 18th, 2016, 00:11 Go to last post
  10. finding functions

    Started by fordy2707, July 3rd, 2016 13:24
    angle, functions, phase, radians, seconds
    • Replies: 3
    • Views: 583
    July 10th, 2016, 11:34 Go to last post
  11. Trig Expression Domain

    Started by tmt, June 26th, 2016 16:59
    cos, cos^2theta$, fracpi2, sqrt, theta$
    • Replies: 1
    • Views: 371
    June 26th, 2016, 17:53 Go to last post
  12. solve the equations

    Started by matyw, June 6th, 2016 21:13
    180°, equations, rquation, solve, tan°x
    • Replies: 4
    • Views: 624
    June 11th, 2016, 07:16 Go to last post
  13. question related to inverse sine functions

    Started by gsn57iaf, May 21st, 2016 02:48
    π/3, 1/2, case, correct, sin-1
    • Replies: 2
    • Views: 404
    May 21st, 2016, 03:25 Go to last post
  14. [SOLVED] Beginner's Verifying Trig Identity

    Started by courtbits, October 13th, 2015 12:05
    asin, cot, identity, trig, verifying
    • Replies: 7
    • Views: 812
    May 15th, 2016, 22:41 Go to last post
  15. [SOLVED] arccos(x) =arctan(x)

    Started by karush, April 7th, 2016 18:34
    $x$, =arctanx, explain, intersects, negative
    • Replies: 8
    • Views: 1,043
    May 14th, 2016, 01:57 Go to last post
  16. Helping my daughter study for a Trig test....

    Started by ok782, April 17th, 2016 14:25
    daughter, find, solve, study, trig
    • Replies: 3
    • Views: 533
    May 14th, 2016, 00:58 Go to last post
  17. [SOLVED] equal graphs polar and rectangular

    Started by karush, April 4th, 2016 18:20
    • Replies: 2
    • Views: 401
    April 5th, 2016, 17:12 Go to last post
  18. [SOLVED] Define a discontinuous sine function?

    Started by samir, April 5th, 2016 04:35
    define, discontinuous, function, multiples, sine
    • Replies: 2
    • Views: 420
    April 5th, 2016, 06:08 Go to last post
  19. trigonometry mountain assessment problem

    Started by jenherting, March 29th, 2016 22:37
    ground, meters, number, point, track
    • Replies: 3
    • Views: 482
    March 30th, 2016, 16:56 Go to last post
  20. [ASK] Tan 36°

    Started by Monoxdifly, March 22nd, 2016 21:36
    • Replies: 7
    • Views: 840
    March 25th, 2016, 21:19 Go to last post
  21. [SOLVED] y=sinx in polar form

    Started by karush, March 24th, 2016 23:51
    equations, form, plots, polar, simple
    • Replies: 4
    • Views: 573
    March 25th, 2016, 18:41 Go to last post
  22. Y=x^3 in polar form

    Started by karush, March 23rd, 2016 23:58
    • Replies: 2
    • Views: 505
    March 24th, 2016, 02:29 Go to last post
  23. trig identity

    Started by paix1988, March 6th, 2016 08:49
    assistance, cos2x, identity, tanx, trig
    • Replies: 1
    • Views: 503
    March 6th, 2016, 09:20 Go to last post
  24. [SOLVED] Area and angles of iso triangle given find sides

    Started by karush, March 5th, 2016 15:31
    • Replies: 3
    • Views: 545
    March 5th, 2016, 16:22 Go to last post
  25. Right triangle

    Started by evinda, February 25th, 2016 13:12
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,352
    February 25th, 2016, 18:12 Go to last post
  26. Find time

    Started by evinda, February 17th, 2016 13:29
    airplane, airport, find, position, time
    • Replies: 3
    • Views: 522
    February 17th, 2016, 16:44 Go to last post
  27. [SOLVED] Another inconvenient identity

    Started by karush, February 12th, 2016 16:33
    bad, direction, formulas, product, sum
    • Replies: 2
    • Views: 649
    February 13th, 2016, 17:04 Go to last post
  28. [SOLVED] Trig identity theory

    Started by karush, February 12th, 2016 00:08
    $p$, $q$, are$$90^o, identity, theory
    • Replies: 8
    • Views: 942
    February 12th, 2016, 16:24 Go to last post
  29. [SOLVED] Trigonometric sum with a product as the argument

    Started by greg1313, February 7th, 2016 01:27
    argument, product, prove, sum, trigonometric
    • Replies: 2
    • Views: 524
    February 7th, 2016, 08:15 Go to last post
  30. Solve for frequency & angle in dispersion equation

    Started by NiToNi, January 19th, 2016 10:58
    arcsin, equation, sintheta, sin[/c, solve
    • Replies: 2
    • Views: 588
    January 21st, 2016, 07:24 Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Math Help Boards